I'm not much of a gamer, but I have been enjoying The Incident
by Neven Mrgan
and Matt Comi on my iPhone. Here's what it looks like:
Nothing too complicated. There's falling stuff that you tilt the phone to avoid, and a great 8-bit soundtrack. Seeing all of the pixelated junk they designed is half the fun.
I don't have an XBox, but this atmospheric game called Limbo looks like another fun design experience. It's the first console game I've seen in a while that I'd like to play:
(I found this last trailer via the consistently excellent video site Devour
. Check it out if you haven't seen it. Looks great on an iPad.)